Tehuantepec Forecast

December 8, 2025, 3:00 pm (UTC: -05:00)
Subject: Tehuantepec Forecast

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This forecast has not been reviewed. It was generated from an automatic model.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30
KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N94W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 35 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N96W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
30 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 14N94W TO
16N94W TO 16N95W TO 13N98W TO 11N98W TO 12N95W TO 14N94W N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.42 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N98W TO
13N96W TO 14N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 14N94W TO 15N96W TO 12N101W TO 11N101W TO 11N97W
TO 14N94W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N TO NE
SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
14N96W TO 14N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS 2.5 M. ELSEWHERE
WITHIN 13N95W TO 15N95W TO 13N99W TO 13N100W TO 11N100W TO 13N98W
TO 13N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.

.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30
KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N94W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 35 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N96W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
30 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 14N94W TO
16N94W TO 16N95W TO 13N98W TO 11N98W TO 12N95W TO 14N94W N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.42 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N98W TO
13N96W TO 14N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 14N94W TO 15N96W TO 12N101W TO 11N101W TO 11N97W
TO 14N94W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N TO NE
SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
14N96W TO 14N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS 2.5 M. ELSEWHERE
WITHIN 13N95W TO 15N95W TO 13N99W TO 13N100W TO 11N100W TO 13N98W
TO 13N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.

GULF OF TEHUANTEPEC GALE WARNING: HIGH PRESSURE WILL BUILD OVER
THE EASTERN SLOPES OF MEXICO IN THE WAKE OF A COLD FRONT MOVING
ACROSS THE GULF OF AMERICA. THE PRESSURE GRADIENT BETWEEN THIS
AREA OF HIGH PRESSURE AND LOWER PRESSURE WITHIN THE EASTERN NORTH
PACIFIC MONSOON TROUGH WILL USHER IN THE NEXT GALE FORCE GAP WIND
EVENT IN THE GULF OF TEHUANTEPEC. CURRENTLY, FRESH TO STRONG
WINDS ARE OVER THE GULF OF TEHUANTEPEC. HIGH PRESSURE WILL
FURTHER BUILD OVER EASTERN MEXICO THROUGH THE DAY, FURTHER
TIGHTENING THE PRESSURE GRADIENT AND INCREASING WINDS TO GALE-
FORCE THIS EVENING. GALE-FORCE WINDS WILL THEN LIKELY PERSIST
THROUGH TUE EVENING. VERY ROUGH SEAS, PEAKING AROUND 12 OR 13
FT, ARE EXPECTED WITH THIS EVENT TONIGHT INTO EARLY TUE MORNING
WHEN WINDS MAY BRIEFLY REACH 40 KT.
ASIDE FROM CONDITIONS IN THE GULF OF TEHUANTEPEC, A RIDGE
EXTENDS FROM A 1028 MB HIGH CENTERED NEAR 36N131W ACROSS THE
OFFSHORE FORECAST WATERS. THE PRESSURE GRADIENT BETWEEN THIS
RIDGE AND A TROUGH OVER WESTERN MEXICO IS SUPPORTING FRESH TO
LOCALLY STRONG WINDS OVER THE GULF OF CALIFORNIA, AND GENTLE TO
MODERATE WINDS OVER THE WATERS WEST OF THE BAJA CALIFORNIA
PENINSULA, EXTENDING SOUTHWARD TO THE REVILLAGIGEDO ISLANDS AND
EASTWARD TO THE WATERS OFF CABO CORRIENTES. LIGHT TO GENTLE WINDS
AND MODERATE SEAS IN LONG PERIOD NW SWELL ARE OBSERVED ACROSS
THE REMAINDER OF THE MEXICAN OFFSHORE WATERS.
FOR THE FORECAST, FRESH TO STRONG GAP WINDS OVER THE GULF OF
TEHUANTEPEC WILL REACH GALE-FORCE TONIGHT THROUGH TUE NIGHT.
OCCASIONALLY FRESH TO LOCALLY STRONG NW TO N WINDS AND MODERATE
SEAS ARE EXPECTED IN THE CENTRAL GULF OF CALIFORNIA THROUGH TUE
MORNING. FRESH N WINDS MAY DEVELOP NEAR CABO CORRIENTES TUE
NIGHT THROUGH WED NIGHT.

FOR THE FORECAST, MAINLY GENTLE WINDS WILL PREVAIL N OF THE
MONSOON TROUGH THE NEXT SEVERAL DAYS, EXCEPT PULSING TO MODERATE
TO FRESH IN THE GULF OF PAPAGAYO BEGINNING EARLY TUE. GENTLE TO
MODERATE WINDS WILL PREVAIL S OF MONSOON TROUGH. MODERATE N WINDS
WILL PULSE IN THE GULF OF PANAMA STARTING TUE NIGHT. SEAS
GENERATED BY A GAP WIND EVENT IN THE GULF OF TEHUANTEPEC ARE
EXPECTED TO SPREAD ACROSS THE OUTER OFFSHORE WATERS OF EL
SALVADOR AND GUATEMALA TUE AND TUE NIGHT. OTHERWISE, MODERATE
SEAS IN MIXED SW AND NW SWELL ARE EXPECTED OVER THE REGIONAL
WATERS THROUGH THE WEEK.

SHORT-TERM TEHUANTEPEC
TODAY - NNW 20-25, Seas SSW 2.2-3.7 ft @ 16sec
TONITE - NNW 30-37, Seas NNW 6.5-7.1 ft @ 6sec
TUESDAY - NNW 30-37, Seas NNW 6.5-7.1 ft @ 6sec
TUESDAY NIGHT - N 17-21, Seas SSW 5.3-6 ft @ 14sec

LONG-TERM TEHUANTEPEC
WEDNESDAY - N 17-21, Seas SSW 5.3-6 ft @ 14sec
THURSDAY - N 13-16, Seas SSW 1.1-3.1 ft @ 14sec
FRIDAY - Not available yet
SATURDAY - NW 5-6, Seas N/A ?-? ft @ ?
SUNDAY - NNW 19-24, Seas N/A ?-? ft @ ?